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https://www.readbyqxmd.com/read/28645870/impact-on-environment-ecosystem-diversity-and-health-from-culturing-and-using-gmos-as-feed-and-food
#1
REVIEW
Aristidis M Tsatsakis, Muhammad Amjad Nawaz, Victor A Tutelyan, Kirill S Golokhvast, Olga-Ioanna Kalantzi, Duck Hwa Chung, Sung Jo Kang, Michael D Coleman, Nadia Tyshko, Seung Hwan Yang, Gyuhwa Chung
Modern agriculture provides the potential for sustainable feeding of the world's increasing population. Up to the present moment, genetically modified (GM) products have enabled increased yields and reduced pesticide usage. Nevertheless, GM products are controversial amongst policy makers, scientists and the consumers, regarding their possible environmental, ecological, and health risks. Scientific-and-political debates can even influence legislation and prospective risk assessment procedure. Currently, the scientifically-assessed direct hazardous impacts of GM food and feed on fauna and flora are conflicting; indeed, a review of literature available data provides some evidence of GM environmental and health risks...
June 20, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28644772/risk-stratification-for-second-primary-lung-cancer
#2
Summer S Han, Gabriel A Rivera, Martin C Tammemägi, Sylvia K Plevritis, Scarlett L Gomez, Iona Cheng, Heather A Wakelee
Purpose This study estimated the 10-year risk of developing second primary lung cancer (SPLC) among survivors of initial primary lung cancer (IPLC) and evaluated the clinical utility of the risk prediction model for selecting eligibility criteria for screening. Methods SEER data were used to identify a population-based cohort of 20,032 participants diagnosed with IPLC between 1988 and 2003 and who survived ≥ 5 years after the initial diagnosis. We used a proportional subdistribution hazards model to estimate the 10-year risk of developing SPLC among survivors of lung cancer LC in the presence of competing risks...
June 23, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28644733/trends-of-atv-use-and-associated-injury-on-saskatchewan-farms
#3
Lynne Clay, Stephan Milosavljevic, Niels Koehncke, James Dosman, Catherine Trask
PURPOSE: All-terrain vehicles (ATV's) are a hazardous source of injury in many contexts and geographical regions, but to date have not been investigated in Saskatchewan. METHODS: Baseline surveys from the Saskatchewan Farm Injury Project were examined at two time points in terms of: 1) rates and correlated characteristics of reported ATV use; and 2) qualitative content analysis of injury events involving ATVs. The sample of eligible farmers was 2972 in 2007 and 1702 in 2013...
June 23, 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/28644057/the-implementation-of-medical-monitoring-programs-following-potentially-hazardous-exposures-a-medico-legal-perspective
#4
David Vearrier, Michael I Greenberg
CONTEXT: Clinical toxicologists may be called upon to determine the appropriateness of medical monitoring following documented or purported exposures to toxicants in the occupational, environmental, and medical settings. METHODS: We searched the MEDLINE database using the Ovid(®) search engine for the following terms cross-referenced to the MeSH database: ("occupational exposures" OR "environmental exposures") AND ("physiologic monitoring" OR "population surveillance")...
June 23, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28642970/abilities-of-co-cultures-of-brown-rot-fungus-fomitopsis-pinicola-and-bacillus-subtilis-on-biodegradation-of-ddt
#5
Atmira Sariwati, Adi Setyo Purnomo, Ichiro Kamei
DDT (1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane) is one of the pesticides that are hazardous for the environment and human health. Effective environmental-friendly treatment using co-cultures of fungi and bacteria is needed. In this study, the bacteria Bacillus subtilis at various volumes of 1, 3, 5, 7, and 10 mL (1 mL ≈ 6.7 × 10(8) CFU) were mixed into 10 mL of the brown-rot fungus Fomitopsis pinicola culture for degrading DDT during a 7-days incubation period. DDT was degraded by approximately 42% by F...
June 22, 2017: Current Microbiology
https://www.readbyqxmd.com/read/28642517/green-dentistry-the-art-and-science-of-sustainable-practice
#6
P Mulimani
Dentistry is highly energy and resource intensive with significant environmental impact. Factors inherent in the profession such as enormous electricity demands of electronic dental equipment, voluminous water requirements, environmental effects of biomaterials (before, during and after clinical use), the use of radiation and the generation of hazardous waste involving mercury, lead etc have contributed towards this. With rising temperatures across the world due to global warming, efforts are being made worldwide to mitigate the effects of environmental damage by resorting to sustainability concepts and green solutions in a myriad of ways...
June 23, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28640797/rural-and-urban-differences-in-air-quality-2008-2012-and-community-drinking-water-quality-2010-2015-united-states
#7
Heather Strosnider, Caitlin Kennedy, Michele Monti, Fuyuen Yip
PROBLEM/CONDITION: The places in which persons live, work, and play can contribute to the development of adverse health outcomes. Understanding the differences in risk factors in various environments can help to explain differences in the occurrence of these outcomes and can be used to develop public health programs, interventions, and policies. Efforts to characterize urban and rural differences have largely focused on social and demographic characteristics. A paucity of national standardized environmental data has hindered efforts to characterize differences in the physical aspects of urban and rural areas, such as air and water quality...
June 23, 2017: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/28640713/dispersal-hazards-of-pseudogymnoascus-destructans-by-bats-and-human-activity-at-hibernacula-in-summer
#8
Anne E Ballmann, Miranda R Torkelson, Elizabeth A Bohuski, Robin E Russell, David S Blehert
Bats occupying hibernacula during summer are exposed to Pseudogymnoascus destructans (Pd), the causative agent of white-nose syndrome (WNS), and may contribute to its dispersal. Furthermore, equipment and clothing exposed to cave environments are a potential source for human-assisted spread of Pd. To explore dispersal hazards for Pd during the nonhibernal season, we tested samples that were collected from bats, the environment, and equipment at hibernacula in the eastern US between 18 July-22 August 2012. Study sites included six hibernacula known to harbor bats with Pd with varying winter-count impacts from WNS and two hibernacula (control sites) without prior history of WNS...
June 22, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/28639026/regulation-of-engineered-nanomaterials-current-challenges-insights-and-future-directions
#9
Racliffe W S Lai, Katie W Y Yeung, Mana M N Yung, Aleksandra B Djurišić, John P Giesy, Kenneth M Y Leung
Substantial production and wide applications of engineered nanomaterials (ENMs) have raised concerns over their potential influences on the environment and humans. However, regulations of products containing ENMs are scarce, even in countries with the greatest volume of ENMs produced, such as the United States and China. After a comprehensive review of life cycles of ENMs, five major challenges to regulators posed by ENMs are proposed in this review: (a) ENMs exhibit variable physicochemical characteristics, which makes them difficult for regulators to establish regulatory definition; (b) Due to diverse sources and transport pathways for ENMs, it is difficult to monitor or predict their fates in the environment; (c) There is a lack of reliable techniques for quantifying exposures to ENMs; (d) Because of diverse intrinsic properties of ENMs and dynamic environmental conditions, it is difficult to predict bioavailability of ENMs on wildlife and the environment; and (e) There are knowledge gaps in toxicity and toxic mechanisms of ENMs from which to predict their hazards...
June 22, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28636232/a-genetic-stochastic-process-model-for-genome-wide-joint-analysis-of-biomarker-dynamics-and-disease-susceptibility-with-longitudinal-data
#10
Liang He, Ilya Zhbannikov, Konstantin G Arbeev, Anatoliy I Yashin, Alexander M Kulminski
Unraveling the underlying biological mechanisms or pathways behind the effects of genetic variations on complex diseases remains one of the major challenges in the post-GWAS (where GWAS is genome-wide association study) era. To further explore the relationship between genetic variations, biomarkers, and diseases for elucidating underlying pathological mechanism, a huge effort has been placed on examining pleiotropic and gene-environmental interaction effects. We propose a novel genetic stochastic process model (GSPM) that can be applied to GWAS and jointly investigate the genetic effects on longitudinally measured biomarkers and risks of diseases...
June 21, 2017: Genetic Epidemiology
https://www.readbyqxmd.com/read/28632927/prospective-associations-between-environmental-heavy-metal-exposure-and-renal-outcomes-in-adults-with-chronic-kidney-disease
#11
Chun-Chieh Tsai, Chia-Lin Wu, Chew-Teng Kor, Ie-Bin Lian, Chin-Hua Chang, Teng-Hsiang Chang, Chia-Chu Chang, Ping-Fang Chiu
BACKGROUND: In Taiwan, Changhua County residents were exposed to high heavy metal pollution and exhibited high heavy metal levels in blood and urine. We examined associations between heavy metals in residential soil and renal outcomes of residents with chronic kidney disease (CKD). METHOD: From January 01, 2003 to June 30, 2015, we retrospectively identified CKD patients with an estimated glomerular filtration rate of <60 mL/min/1.73 m(2) at one tertiary care center...
June 20, 2017: Nephrology
https://www.readbyqxmd.com/read/28632490/the-florence-statement-on-triclosan-and-triclocarban
#12
Rolf U Halden, Avery E Lindeman, Allison E Aiello, David Andrews, William A Arnold, Patricia Fair, Rebecca E Fuoco, Laura A Geer, Paula I Johnson, Rainer Lohmann, Kristopher McNeill, Victoria P Sacks, Ted Schettler, Roland Weber, R Thomas Zoeller, Arlene Blum
The Florence Statement on Triclosan and Triclocarban documents a consensus of more than 200 scientists and medical professionals on the hazards of and lack of demonstrated benefit from common uses of triclosan and triclocarban. These chemicals may be used in thousands of personal care and consumer products as well as in building materials. Based on extensive peer-reviewed research, this statement concludes that triclosan and triclocarban are environmentally persistent endocrine disruptors that bioaccumulate in and are toxic to aquatic and other organisms...
June 20, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28631422/dispersive-micro-solid-phase-extraction-using-carbon-based-adsorbents-for-sensitive-determination-of-verapamil-in-plasma-samples-coupled-with-ce
#13
Abolghasem Jouyban, Samin Hamidi
A dispersive micro solid phase extraction procedure coupled with CE-UV detection was developed for determination of verapamil in plasma samples. Graphene oxide/polydopamin was synthesized by a one-step polymerization method, and graphene oxide/Fe3 O4 nanocomposite was prepared by co-precipitation method. Moreover, they were fully characterized. The use of hazardous and water-immiscible solvents was scaled down, and only 500 μL of acetone was required as the desorption solvent. The detector response-concentration plots were linear in the range of 5-500 ng/mL, and the proposed method was validated according to guidelines...
June 20, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28630595/qsar-models-of-human-data-can-enrich-or-replace-llna-testing-for-human-skin-sensitization
#14
Vinicius M Alves, Stephen J Capuzzi, Eugene Muratov, Rodolpho C Braga, Thomas Thornton, Denis Fourches, Judy Strickland, Nicole Kleinstreuer, Carolina H Andrade, Alexander Tropsha
Skin sensitization is a major environmental and occupational health hazard. Although many chemicals have been evaluated in humans, there have been no efforts to model these data to date. We have compiled, curated, analyzed, and compared the available human and LLNA data. Using these data, we have developed reliable computational models and applied them for virtual screening of chemical libraries to identify putative skin sensitizers. The overall concordance between murine LLNA and human skin sensitization responses for a set of 135 unique chemicals was low (R = 28-43%), although several chemical classes had high concordance...
December 21, 2016: Green Chemistry: An International Journal and Green Chemistry Resource: GC
https://www.readbyqxmd.com/read/28629096/synthesis-of-magnetic-nanoparticles-and-their-dispersions-with-special-reference-to-applications-in-biomedicine-and-biotechnology
#15
REVIEW
R V Mehta
Biomedical and biotechnological applications of magnetic nanoparticles and their dispersions in liquids are found to be potentially useful. An exponential growth in publications of papers, reviews and patents has been observed. Possibilities of their indiscriminate use on individual as well as environmental health hazards are also investigated. Still, there appears to be a good scope for further research work in the field. Even a small improvement either in preparation method or development of novel nanoparticles may prove to be beneficial in longer run...
October 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28628784/identifying-populations-sensitive-to-environmental-chemicals-by-simulating-toxicokinetic-variability
#16
Caroline L Ring, Robert G Pearce, R Woodrow Setzer, Barbara A Wetmore, John F Wambaugh
The thousands of chemicals present in the environment (USGAO, 2013) must be triaged to identify priority chemicals for human health risk research. Most chemicals have little of the toxicokinetic (TK) data that are necessary for relating exposures to tissue concentrations that are believed to be toxic. Ongoing efforts have collected limited, in vitro TK data for a few hundred chemicals. These data have been combined with biomonitoring data to estimate an approximate margin between potential hazard and exposure...
June 16, 2017: Environment International
https://www.readbyqxmd.com/read/28626450/microbial-phosphorus-solubilization-and-its-potential-for-use-in-sustainable-agriculture
#17
REVIEW
Elizabeth T Alori, Bernard R Glick, Olubukola O Babalola
The use of excess conventional Phosphorus (P) fertilizers to improve agricultural productivity, in order to meet constantly increasing global food demand, potentially causes surface and ground water pollution, waterway eutrophication, soil fertility depletion, and accumulation of toxic elements such as high concentration of selenium (Se), arsenic (As) in the soil. Quite a number of soil microorganisms are capable of solubilizing/mineralizing insoluble soil phosphate to release soluble P and making it available to plants...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28623724/sub-lethal-pharmaceutical-hazard-tracking-in-adult-zebrafish-using-untargeted-lc-ms-environmental-metabolomics
#18
Ryan B De Sotto, Carl D Medriano, Yunchul Cho, Hyuk Kim, In-Young Chung, Kwang-Seol Seok, Kyung Guen Song, Seok Won Hong, Youngja Park, Sungpyo Kim
Antibiotics in the aquatic environment are dispersed through anthropogenic activities at low concentrations. Despite their sub lethal concentration, these biologically active compounds may still have adverse effects to non-target species. This study examined the response of adult zebrafish to 0.1mg/L concentration of clarithromycin, florfenicol, sulfamethazine, and their mixture using environmental metabolomics. Embryo and larvae of the fish were also used to assess fish embryo acute toxicity and behavior tests respectively...
June 7, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28619165/the-use-of-animals-as-a-surveillance-tool-for-monitoring-environmental-health-hazards-human-health-hazards-and-bioterrorism
#19
REVIEW
Jacqueline Pei Shan Neo, Boon Huan Tan
This review discusses the utilization of wild or domestic animals as surveillance tools for monitoring naturally occurring environmental and human health hazards. Besides providing early warning to natural hazards, animals can also provide early warning to societal hazards like bioterrorism. Animals are ideal surveillance tools to humans because they share the same environment as humans and spend more time outdoors than humans, increasing their exposure risk. Furthermore, the biologically compressed lifespans of some animals may allow them to develop clinical signs more rapidly after exposure to specific pathogens...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28618318/effect-of-differential-forest-management-on-land-use-change-luc-in-a-tropical-hill-forest-of-malaysia
#20
Kazi Mohammad Masum, Asyraf Mansor, Shahrul Anuar Mohd Sah, Hwee San Lim
Forest ownership is considered as a vital aspect for sustainable management of forest and its associated biodiversity. The Global Forest Resources Assessment 2015 reported that privately owned forest area are increasing on a global scale, but deforestation was found very active in privately owned hill forest areas of Malaysia. Penang State was purposively chosen as it has been experiencing rapid and radical changes due to urban expansion over the last three decades. In this study, analyses of land-use changes were done by PCI Geomatica using Landsat images from 1991 to 2015, future trends of land-use change were assessed using EXCEL forecast function, and its impact on the surrounding environment were conducted by reviewing already published articles on changing environment of the study area...
June 12, 2017: Journal of Environmental Management
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